from pathlib import Path

import pytest

from lai_automation.config import Settings


def settings(**overrides) -> Settings:
    values = {
        "database_host": "db",
        "database_port": 3306,
        "database_name": "lai",
        "database_user": "worker",
        "database_password": "secret",
        "source_repository": "https://example.test/lai.git",
        "source_branch": "main",
        "workspace_root": Path("/tmp/workspaces"),
        "mode": "dry-run",
        "allow_direct_main": False,
        "gitea_url": "https://example.test",
        "gitea_owner": "owner",
        "gitea_repository": "lai",
        "gitea_token": "",
        "gitea_username": "bot",
        "agent_command": "aider",
        "agent_model": "mistral/test",
        "test_commands": ("php artisan test",),
        "poll_seconds": 60,
        "max_changed_files": 12,
        "max_changed_lines": 800,
        "stale_claim_minutes": 90,
        "dry_run": True,
    }
    values.update(overrides)
    return Settings(**values)


def test_direct_main_requires_explicit_kill_switch() -> None:
    config = settings(mode="direct-main", dry_run=False, gitea_token="token")
    with pytest.raises(ValueError, match="ALLOW_DIRECT_MAIN"):
        config.validate()


def test_pr_requires_gitea_token() -> None:
    config = settings(mode="pr", dry_run=False)
    with pytest.raises(ValueError, match="GITEA_TOKEN"):
        config.validate()